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Our Happy Customers

  • Candy Harris AvatarCandy Harris

    Thank you comfort windows and doors for doing a great job - 5/10/2020 

    Sarah McLean AvatarSarah McLean

    Excellent product and amazing staff! We are very pleased with all of our new windows and doors! Jules and his team took care of everything! We highly recommend Comfort Windows & Doorsto all our friends and family - 3/26/2020 

    Jack Hart AvatarJack Hart

    Great service
    The team did everything on time and delivered with no issues - 4/08/2020 

  • Adir Lobart AvatarAdir Lobart

    Julian did a great job!
    Excellent service, great price.
    Highly recommend Comfort Windows. - 3/13/2019 

    kirby hui Avatarkirby hui

    Julian was fantastic from beginning to end. Great customer service and always willing to discuss and make compromises. The install went well. The crew was cordial and respectful and tried the best to keep the place clean and/or cleanup where possible. - 4/19/2018 

    J.P. Zammit AvatarJ.P. Zammit

    Highly recommend Julian and his professional installers. All of the work was done quickly and they left the areas clean. The new front doors look beautiful from the inside and out! - 3/25/2020 

  • Luz Reed AvatarLuz Reed

    Good company and products. The team of Comfort Windows & Doors installed three doors for us that are very good quality, they cam back for service when we needed, no issues. I recommended them already to my neighbors - 12/26/2019 

    Carol White AvatarCarol White

    Top Customer Service and amazing windows. Perfect for a quick upgrade to your home. Thanks for the windows Jules - 4/13/2020 

    Paris Black AvatarParis Black

    Pleasure to deal with. Accessible and reliable. Worked around our schedules. Fair prices. I would use them again! - 3/25/2020 

  • Sarah Campbell AvatarSarah Campbell

    Great service over the phone helped me alot with my questions and offered a free estimate. Very affordable and offer great deals thanks for the great service!! Will deff recommend you guys. - 3/25/2020 

    Henderson Trevor AvatarHenderson Trevor

    Very compatible pricing, lots of options to choose from and excellent service during installation. Highly recommendable - 4/13/2020 

    Robbie Shelson AvatarRobbie Shelson

    Highly recommend Julian and his professional installers. All of the work was done quickly and they left the areas clean. The new front doors look beautiful from the inside and out! - 9/22/2019 

  • Nathan Alsop AvatarNathan Alsop

    Awesome place and awesome people to work with, get your windows and doors installed... I got the best deal and energy saving glass - 3/31/2020 

    Lisa Sutherland AvatarLisa Sutherland

    Great customer service! I'm very satisfied with the work, I highly recommend this company to anybody looking for windows and doors. - 4/13/2020 

    Jorge Springer AvatarJorge Springer

    Got two new windows in our family room. Amazing customer service from start to finish! Completely transformed our living room. Great company that stands behind their products! Highly recommended - 4/13/2020 

Our Advantages

  • Excellent warranties provided can be transferred to new homeowners.

  • Best customer service in the industry, project management from first consultation to installation.

  • No commission sales people, deal direct with the owner.

  • Excellent installation crews who are trained via the Window Wise program.

Affordable & Highly Energy Efficient!

We built our Thornhill custom windows and doors company on the best service, products and customers in the industry. We’d love to talk to you about how we can make your home more functional, beautiful and economical.

Get Your Free Quote Today!

Service Areas: our specialization and expertise is the installation of quality, energy star custom windows, and doors in Toronto, Ajax, Aurora, Concord, GTA North of St. Claire, Keswick, Maple, Markham, Newmarket, North York, Pefferlaw, Pickering, Richmond Hill, Stouffville, Thornhill, Unionville,  Uxbridge, Vaughan, Whitby, Woodbridge, and York Region.

About Us

Comfort Windows & Doors is a Thornhill windows and doors company. Our team of professionals are known as one of the most reputable window contractors, serving, Aurora, Concord, East York, GTA, Maple, Newmarket, North York, Richmond Hill, Scarborough, Stouffville, Thornhill, Toronto, Unionville, Uxbridge, Woodbridge, York Region. We offer a wide range of window and door styles, as well as retractable screen windows, steel, fiberglass, patio and garden doors. All our installation services and products are backed by a solid warranty, unmatched by most window companies. We would be proud to guide you through a well scheduled, project managed window and/or door installation from start to finish.

Experience You Can Trust

Julian, a veteran and a former-police officer is the owner and has over 25 years of experience in this industry and provides expert advice on any installation. He is honest and extremely knowledgeable. When he is with a potential customer, he focuses on listening to exactly what that customer wants and he makes sure that is exactly what they get.  He visits every installation site to check on the installation crew and makes sure that the installation is done correctly the first time. Our windows company Vaughan installers are WSIB insured.

Our philosophy is to provide the highest level of customer care. Watch our video on this website and see what our past customers are saying about us.

Members of SAWDAC and Windows Wise

Comfort Windows and Doors is a member of SAWDAC – Siding and Window Dealers Association of Canada, which is an organization that protects consumers and helps contractors/renovators build better businesses.  SAWDAC  set tough standards that their members must meet.  “When you choose a registered SAWDAC company, you’re choosing quality, professionalism and guaranteed workmanship” as mentioned on the SAWDAC website.

Our installation crews are “Window Wise” trained.  What does this mean?  “Window Wise is “THE” quality assurance program in Canada that is designed to give homeowners peace of mind that their window investment will be a lasting one“ as mentioned on their website. The Window Wise certification program is training for replacement window manufacturer and installation contractors.

The Canadian manufacturer whose windows we install are approved by Window Wise.  These windows are one of the most comprehensive UPVC window systems on the market. This means that the manufacturers have been tested and exceed building code standards for energy efficiency, air infiltration, water leakage and strength, and will provide energy saving benefits.

Proudly Canadian and Environmentally Friendly

We like to think that we are helping our planet by installing energy star windows and doors.  By purchasing energy efficient windows and doors you can help too by reducing your carbon footprint by using less energy which reduces greenhouse gas emissions from power plants.  A bonus for the home owner is a decrease in your future energy bills.

All the door and window products that we use are Canadian Manufactured.  We can walk you through the products at the window or door showrooms at your convenience.

We consider ourselves a “Customer Service Focused Company”.   We go the extra mile to make sure that when we leave an installation the customer is 100% satisfied.  We really do our very best to make sure of this and pride ourselves on being a leading windows and doors Vaughan solution.

girl at window with retractable screens

Our Products


Casement Windows can open out left or right. Casement windows are windows that you open with a crank

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Providing a portfolio of products ensuring the right HD Steel door for your project. Our steel entry doors are available.

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Fiberglass Door Series provide simple solutions for achieving a sophisticated wood look without all the maintenance.

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Our Garden Doors will fill your home year round with beautiful, natural light. Let in fresh air when it suits you .

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Our sliding patio doors offer a perfect combination of beauty, security and low-maintenance.

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Every operating window comes with a retractable screen.

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Why Choose Comfort Windows & Doors?

Easy Financing

As replacing windows and doors in your home is a big investment, we provide you with various finance options.  You can add an easy payment plan on your Enbridge Gas bill, or we can offer you financing by our flexible Eco Home Finance plan. We will take care of all the paperwork for you.